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Finding the Fourth Proportional to 550,028.72, 825,043.79 and 150,673

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Solution

The fourth proportional to 550,028.72, 825,043.79 and 150,673 is: 226,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,028.72 : 825,043.79 = 150,673 : x
  2. Step 2: Convert to fraction form
    550,028.72/825,043.79 = 150,673/x
  3. Step 3: Cross multiply
    550,028.72x = 825,043.79 × 150,673
  4. Step 4: Simplify right side
    550,028.72x = 124,311,822,970.67
  5. Step 5: Solve for x
    x = 124,311,822,970.67/550,028.72
  6. Step 6: Final answer
    x = 226,009.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.